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Diffstat (limited to 'epan/dissectors/asn1/tcap/packet-tcap-template.h')
| -rw-r--r-- | epan/dissectors/asn1/tcap/packet-tcap-template.h | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/epan/dissectors/asn1/tcap/packet-tcap-template.h b/epan/dissectors/asn1/tcap/packet-tcap-template.h new file mode 100644 index 0000000000..b79365bd79 --- /dev/null +++ b/epan/dissectors/asn1/tcap/packet-tcap-template.h @@ -0,0 +1,229 @@ +/* packet-tcap.h + * + * Copyright 2004, Tim Endean <endeant@hotmail.com> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + + +#ifndef PACKET_tcap_H +#define PACKET_tcap_H + +#include "ws_symbol_export.h" + +/* TCAP component type */ +#define TCAP_COMP_INVOKE 0xa1 +#define TCAP_COMP_RRL 0xa2 +#define TCAP_COMP_RE 0xa3 +#define TCAP_COMP_REJECT 0xa4 +#define TCAP_COMP_RRN 0xa7 + + +#define ANSI_TC_INVOKE_L 0xe9 +#define ANSI_TC_RRL 0xea +#define ANSI_TC_RE 0xeb +#define ANSI_TC_REJECT 0xec +#define ANSI_TC_INVOKE_N 0xed +#define ANSI_TC_RRN 0xee + + +#define TCAP_SEQ_TAG 0x30 +#define TCAP_SET_TAG 0x31 + +#define TCAP_INVOKE_ID_TAG 0x02 +#define TCAP_LINKED_ID_TAG 0x80 + +#define TCAP_EOC_LEN 2 + +#define TCAP_CONSTRUCTOR(TCtag) (TCtag & 0x20) + +#define TC_BEGIN 1 +#define TC_CONT 2 +#define TC_END 3 +#define TC_ABORT 4 +#define TC_ANSI_ABORT 5 +#define TC_ANSI_ALL 6 + +struct tcap_private_t { + gboolean acv; /* Is the Application Context Version present */ + const void * oid; + guint32 session_id; + void * context; + gchar *TransactionID_str; +}; + +/** @file + * lists and hash tables used in wireshark's tcap dissector + * for calculation of delays in tcap-calls + */ + +#define LENGTH_OID 23 +struct tcaphash_context_t { + struct tcaphash_context_key_t * key; + guint32 session_id; + guint32 first_frame; + guint32 last_frame; + nstime_t begin_time; /**< time of arrival of TC_BEGIN */ + nstime_t end_time; /**< time of closing message */ + gboolean responded; /**< true, if request has been responded */ + gboolean closed; + gboolean upper_dissector; + gboolean oid_present; + gchar oid[LENGTH_OID+1]; + gboolean subdissector_present; + dissector_handle_t subdissector_handle; + void (* callback) (tvbuff_t *,packet_info *, proto_tree *, struct tcaphash_context_t *); + struct tcaphash_begincall_t * begincall; + struct tcaphash_contcall_t * contcall; + struct tcaphash_endcall_t * endcall; + struct tcaphash_ansicall_t * ansicall; +}; + +struct tcaphash_begincall_t { + struct tcaphash_begin_info_key_t * beginkey; + struct tcaphash_context_t * context; + gboolean father; + struct tcaphash_begincall_t * next_begincall; + struct tcaphash_begincall_t * previous_begincall; +}; + +struct tcaphash_contcall_t { + struct tcaphash_cont_info_key_t * contkey; + struct tcaphash_context_t * context; + gboolean father; + struct tcaphash_contcall_t * next_contcall; + struct tcaphash_contcall_t * previous_contcall; +}; + +struct tcaphash_endcall_t { + struct tcaphash_end_info_key_t * endkey; + struct tcaphash_context_t * context; + gboolean father; + struct tcaphash_endcall_t * next_endcall; + struct tcaphash_endcall_t * previous_endcall; +}; + +struct tcaphash_ansicall_t { + struct tcaphash_ansi_info_key_t * ansikey; + struct tcaphash_context_t * context; + gboolean father; + struct tcaphash_ansicall_t * next_ansicall; + struct tcaphash_ansicall_t * previous_ansicall; +}; + +/** The Key for the hash table is the TCAP origine transaction identifier + of the TC_BEGIN containing the InitialDP */ + +struct tcaphash_context_key_t { + guint32 session_id; +}; + +struct tcaphash_begin_info_key_t { + guint32 hashKey; + guint32 tid; + guint32 pc_hash; +}; + +struct tcaphash_cont_info_key_t { + guint32 hashKey; + guint32 src_tid; + guint32 dst_tid; + guint32 opc_hash; + guint32 dpc_hash; +}; + +struct tcaphash_end_info_key_t { + guint32 hashKey; + guint32 tid; + guint32 pc_hash; +}; + +struct tcaphash_ansi_info_key_t { + guint32 hashKey; + guint32 tid; + guint32 opc_hash; + guint32 dpc_hash; +}; + + +/** List of infos to store for the analyse */ +struct tcapsrt_info_t { + guint32 tcap_session_id; + guint32 src_tid; + guint32 dst_tid; + guint8 ope; +}; + +/** + * Routine called when the TAP is initialized. + * so hash table are (re)created + */ +void tcapsrt_init_routine(void); + +/** + * Initialize the Message Info used by the main dissector + * Data are linked to a TCAP transaction + */ +struct tcapsrt_info_t * tcapsrt_razinfo(void); + +void tcapsrt_close(struct tcaphash_context_t * p_tcaphash_context, + packet_info * pinfo _U_); + +/** + * Service Response Time analyze + * Called just after dissector call + * Associate a TCAP context to a tcap session and display session related infomations + * like the first frame, the last, the session duration, + * and a uniq session identifier for the filtering + * + * For ETSI tcap, the TCAP context can be reached through three keys + * - a key (BEGIN) identifying the session according to the tcap source identifier + * - a key (CONT) identifying the established session (src_id and dst_id) + * - a key (END) identifying the session according to the tcap destination identifier + * + * For ANSI tcap, the TCAP context is reached through a uniq key + * - a key (ANSI) identifying the session according to the tcap identifier +*/ +struct tcaphash_context_t * tcapsrt_call_matching(tvbuff_t *tvb, + packet_info * pinfo _U_, + proto_tree *tree, + struct tcapsrt_info_t * p_tcap_info); + +WS_DLL_PUBLIC gboolean gtcap_StatSRT; + +extern gint tcap_standard; + +extern const value_string tcap_component_type_str[]; +void proto_reg_handoff_tcap(void); +void proto_register_tcap(void); + +extern dissector_handle_t get_itu_tcap_subdissector(guint32 ssn); +dissector_handle_t get_ansi_tcap_subdissector(guint32 ssn); + +extern void add_ansi_tcap_subdissector(guint32 ssn, dissector_handle_t dissector); +WS_DLL_PUBLIC void add_itu_tcap_subdissector(guint32 ssn, dissector_handle_t dissector); + +extern void delete_ansi_tcap_subdissector(guint32 ssn, dissector_handle_t dissector); +WS_DLL_PUBLIC void delete_itu_tcap_subdissector(guint32 ssn, dissector_handle_t dissector); + +extern void call_tcap_dissector(dissector_handle_t, tvbuff_t*, packet_info*, proto_tree*); + +#include "packet-tcap-exp.h" + +#endif /* PACKET_tcap_H */ |